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Rev 1221 Rev 1658
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void writer(void *arg)
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void writer(void *arg)
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{
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{
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    int rc, to;
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    int rc, to;
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    thread_detach(THREAD);
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    waitq_sleep(&can_start);
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    waitq_sleep(&can_start);
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    to = random(40000);
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    to = random(40000);
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    printf("cpu%d, tid %d w+ (%d)\n", CPU->id, THREAD->tid, to);
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    printf("cpu%d, tid %d w+ (%d)\n", CPU->id, THREAD->tid, to);
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    rc = rwlock_write_lock_timeout(&rwlock, to);
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    rc = rwlock_write_lock_timeout(&rwlock, to);
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}
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}
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void reader(void *arg)
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void reader(void *arg)
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{
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{
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    int rc, to;
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    int rc, to;
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    thread_detach(THREAD);
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    waitq_sleep(&can_start);
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    waitq_sleep(&can_start);
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    to = random(2000);
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    to = random(2000);
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    printf("cpu%d, tid %d r+ (%d)\n", CPU->id, THREAD->tid, to);
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    printf("cpu%d, tid %d r+ (%d)\n", CPU->id, THREAD->tid, to);
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    rc = rwlock_read_lock_timeout(&rwlock, to);
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    rc = rwlock_read_lock_timeout(&rwlock, to);